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-rw-r--r--arch/arm64/boot/dts/renesas/r8a77970-eagle.dts20
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/renesas/r8a77970-eagle.dts b/arch/arm64/boot/dts/renesas/r8a77970-eagle.dts
index fd3448deb714..3c5f598c9766 100644
--- a/arch/arm64/boot/dts/renesas/r8a77970-eagle.dts
+++ b/arch/arm64/boot/dts/renesas/r8a77970-eagle.dts
@@ -55,7 +55,27 @@
clock-frequency = <32768>;
};
+&i2c0 {
+ pinctrl-0 = <&i2c0_pins>;
+ pinctrl-names = "default";
+
+ status = "okay";
+ clock-frequency = <400000>;
+
+ io_expander: gpio@20 {
+ compatible = "onnn,pca9654";
+ reg = <0x20>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ };
+};
+
&pfc {
+ i2c0_pins: i2c0 {
+ groups = "i2c0";
+ function = "i2c0";
+ };
+
scif0_pins: scif0 {
groups = "scif0_data";
function = "scif0";